Multiple firing of frog's ventricle in response to a single stimulus in Ringer's solution with excess calcium.
D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001001:Anura; D002122:Calcium Chloride / Q000494:pharmacology*; D003864:Depression, Chemical; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology; D006352:Heart Ventricles / Q000187:drug effects; D008345:Manganese / Q000494:pharmacology; D011343:Procaine / Q000494:pharmacology; D012965:Sodium Chloride / Q000494:pharmacology; D013268:Stimulation, Chemical; D013696:Temperature; D013779:Tetrodotoxin / Q000494:pharmacology; D016276:Ventricular Function
D008345:Manganese; D013779:Tetrodotoxin; D012965:Sodium Chloride; D011343:Procaine; D002122:Calcium Chloride; D004837:Epinephrine